X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/c194970e15b6d6efa07697679a25dfab3aa76442..1a5d0c15185986e645e8fb8080a2338d8f17d562:/lisp/buff-menu.el diff --git a/lisp/buff-menu.el b/lisp/buff-menu.el index 6ab6e548ab..47426285c8 100644 --- a/lisp/buff-menu.el +++ b/lisp/buff-menu.el @@ -1,9 +1,9 @@ ;;; buff-menu.el --- Interface for viewing and manipulating buffers -;; Copyright (C) 1985-1987, 1993-1995, 2000-2012 -;; Free Software Foundation, Inc. +;; Copyright (C) 1985-1987, 1993-1995, 2000-2016 Free Software +;; Foundation, Inc. -;; Maintainer: FSF +;; Maintainer: emacs-devel@gnu.org ;; Keywords: convenience ;; Package: emacs @@ -55,12 +55,12 @@ If nil, use `Buffer-menu-name-width' and `Buffer-menu-size-width'. If non-nil, the value of `Buffer-menu-name-width' is overridden; the name column is assigned width `Buffer-menu-buffer+size-width' minus `Buffer-menu-size-width'. This use is deprecated." - :type 'number + :type '(choice (const nil) number) :group 'Buffer-menu :version "24.3") (make-obsolete-variable 'Buffer-menu-buffer+size-width - "`Buffer-menu-name-width' and `Buffer-menu-size-width'" + "use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead." "24.3") (defcustom Buffer-menu-name-width 19 @@ -129,6 +129,7 @@ commands.") (define-key map "T" 'Buffer-menu-toggle-files-only) (define-key map (kbd "M-s a C-s") 'Buffer-menu-isearch-buffers) (define-key map (kbd "M-s a M-C-s") 'Buffer-menu-isearch-buffers-regexp) + (define-key map (kbd "M-s a C-o") 'Buffer-menu-multi-occur) (define-key map [mouse-2] 'Buffer-menu-mouse-select) (define-key map [follow-link] 'mouse-face) @@ -169,6 +170,9 @@ commands.") (bindings--define-key menu-map [ir] '(menu-item "Isearch Marked Buffers..." Buffer-menu-isearch-buffers :help "Search for a string through all marked buffers using Isearch")) + (bindings--define-key menu-map [mo] + '(menu-item "Multi Occur Marked Buffers..." Buffer-menu-multi-occur + :help "Show lines matching a regexp in marked buffers using Occur")) (bindings--define-key menu-map [s3] menu-bar-separator) (bindings--define-key menu-map [by] '(menu-item "Bury" Buffer-menu-bury @@ -204,31 +208,11 @@ commands.") (define-derived-mode Buffer-menu-mode tabulated-list-mode "Buffer Menu" "Major mode for Buffer Menu buffers. -The Buffer Menu is invoked by the commands \\[list-buffers], \\[buffer-menu], and -\\[buffer-menu-other-window]. See `buffer-menu' for details." - (set (make-local-variable 'buffer-stale-function) - (lambda (&optional _noconfirm) 'fast)) - (add-hook 'tabulated-list-revert-hook 'list-buffers--refresh nil t)) - -(defun buffer-menu (&optional arg) - "Switch to the Buffer Menu. -By default, all buffers are listed except those whose names start -with a space (which are for internal use). With prefix argument -ARG, show only buffers that are visiting files. +The Buffer Menu is invoked by the commands \\[list-buffers], +\\[buffer-menu], and \\[buffer-menu-other-window]. +See `buffer-menu' for a description of its contents. -The first column (denoted \"C\") shows \".\" for the buffer from -which you came. It shows \">\" for buffers you mark to be -displayed, and \"D\" for those you mark for deletion. - -The \"R\" column has a \"%\" if the buffer is read-only. -The \"M\" column has a \"*\" if it is modified, or \"S\" if you -have marked it for saving. - -After this come the buffer name, its size in characters, its -major mode, and the visited file name (if any). - - -In the Buffer Menu, the following commands are defined: +In Buffer Menu mode, the following commands are defined: \\ \\[quit-window] Remove the Buffer Menu from the display. \\[Buffer-menu-this-window] Select current line's buffer in place of the buffer menu. @@ -244,8 +228,9 @@ In the Buffer Menu, the following commands are defined: \\[Buffer-menu-1-window] Select that buffer in full-frame window. \\[Buffer-menu-2-window] Select that buffer in one window, together with the buffer selected before this one in another window. -\\[Buffer-menu-isearch-buffers] Incremental search in the marked buffers. +\\[Buffer-menu-isearch-buffers] Incremental search in the marked buffers. \\[Buffer-menu-isearch-buffers-regexp] Isearch for regexp in the marked buffers. +\\[Buffer-menu-multi-occur] Show lines matching regexp in the marked buffers. \\[Buffer-menu-visit-tags-table] visit-tags-table this buffer. \\[Buffer-menu-not-modified] Clear modified-flag on that buffer. \\[Buffer-menu-save] Mark that buffer to be saved, and move down. @@ -259,6 +244,29 @@ In the Buffer Menu, the following commands are defined: \\[revert-buffer] Update the list of buffers. \\[Buffer-menu-toggle-files-only] Toggle whether the menu displays only file buffers. \\[Buffer-menu-bury] Bury the buffer listed on this line." + (set (make-local-variable 'buffer-stale-function) + (lambda (&optional _noconfirm) 'fast)) + (add-hook 'tabulated-list-revert-hook 'list-buffers--refresh nil t)) + +(defun buffer-menu (&optional arg) + "Switch to the Buffer Menu. +By default, the Buffer Menu lists all buffers except those whose +names start with a space (which are for internal use). With +prefix argument ARG, show only buffers that are visiting files. + +In the Buffer Menu, the first column (denoted \"C\") shows \".\" +for the buffer from which you came, \">\" for buffers you mark to +be displayed, and \"D\" for those you mark for deletion. + +The \"R\" column has a \"%\" if the buffer is read-only. +The \"M\" column has a \"*\" if it is modified, or \"S\" if you +have marked it for saving. + +The remaining columns show the buffer name, the buffer size in +characters, its major mode, and the visited file name (if any). + +See `Buffer-menu-mode' for the keybindings available the Buffer +Menu." (interactive "P") (switch-to-buffer (list-buffers-noselect arg)) (message @@ -280,7 +288,7 @@ ARG, show only buffers that are visiting files." (defun list-buffers (&optional arg) "Display a list of existing buffers. The list is displayed in a buffer named \"*Buffer List*\". -See `buffer-menu' for details about the Buffer Menu buffer. +See `buffer-menu' for a description of the Buffer Menu. By default, all buffers are listed except those whose names start with a space (which are for internal use). With prefix argument @@ -345,14 +353,22 @@ It will be displayed by the \\\\[Buffer-menu-select] comma "Cancel all requested operations on buffer on this line and move down. Optional prefix arg means move up." (interactive "P") - (tabulated-list-set-col 0 " " t) + (Buffer-menu--unmark) (forward-line (if backup -1 1))) (defun Buffer-menu-backup-unmark () "Move up and cancel all requested operations on buffer on line above." (interactive) (forward-line -1) - (tabulated-list-set-col 0 " " t)) + (Buffer-menu--unmark)) + +(defun Buffer-menu--unmark () + (tabulated-list-set-col 0 " " t) + (let ((buf (Buffer-menu-buffer))) + (when buf + (if (buffer-modified-p buf) + (tabulated-list-set-col 2 "*" t) + (tabulated-list-set-col 2 " " t))))) (defun Buffer-menu-delete (&optional arg) "Mark the buffer on this Buffer Menu buffer line for deletion. @@ -377,7 +393,9 @@ buffers to delete; a negative ARG means to delete backwards." (defun Buffer-menu-delete-backwards (&optional arg) "Mark the buffer on this Buffer Menu line for deletion, and move up. -Prefix ARG means move that many lines." +A subsequent \\`\\[Buffer-menu-execute]' +command will delete the marked buffer. Prefix ARG means move +that many lines." (interactive "p") (Buffer-menu-delete (- (or arg 1)))) @@ -472,6 +490,11 @@ If UNMARK is non-nil, unmark them." (interactive) (multi-isearch-buffers-regexp (Buffer-menu-marked-buffers))) +(defun Buffer-menu-multi-occur (regexp &optional nlines) + "Show all lines in marked buffers containing a match for a regexp." + (interactive (occur-read-primary-args)) + (multi-occur (Buffer-menu-marked-buffers) regexp nlines)) + (defun Buffer-menu-visit-tags-table () "Visit the tags table in the buffer on this line. See `visit-tags-table'." @@ -516,7 +539,7 @@ The current window remains selected." (defun Buffer-menu-toggle-read-only () "Toggle read-only status of buffer on this line. -This behaves like invoking \\[toggle-read-only] in that buffer." +This behaves like invoking \\[read-only-mode] in that buffer." (interactive) (let ((read-only (with-current-buffer (Buffer-menu-buffer t) @@ -576,7 +599,7 @@ means list those buffers and no others." (select-window (posn-window (event-end event))) (let ((buffer (tabulated-list-get-id (posn-point (event-end event))))) (when (buffer-live-p buffer) - (if (and (window-dedicated-p (selected-window)) + (if (and (window-dedicated-p) (eq (selected-window) (frame-root-window))) (switch-to-buffer-other-frame buffer) (switch-to-buffer buffer)))))